Split screen ?!

[trandz]

Samsung Galaxy S4 Hands-on & Overview (Galaxy S IV) - YouTube

What is that tab on the left side of the screen? Looks like the Note 2's split screen tab but more refined.

 

[dplane]

Good eye. Curious myself.

 

[jtc276]

Samsung Galaxy S4 Hands-on & Overview (Galaxy S IV) - YouTube

What is that tab on the left side of the screen? Looks like the Note 2's split screen tab but more refined.

Doesn't the S3 have split screen? Why wouldn't the S4?

 

[trandz]

Not too sure the s3 has split screen here in the states. Not too sure though.